| // PR c++/102753 |
| // { dg-do compile { target c++20 } } |
| // { dg-options "" } |
| |
| struct S { |
| constexpr S () : s (0) {} |
| consteval int foo () { return 1; } |
| virtual consteval int bar () { return 2; } |
| int s; |
| }; |
| |
| consteval int foo () { return 42; } |
| |
| constexpr int |
| bar () |
| { |
| if consteval { // { dg-warning "'if consteval' only available with" "" { target c++20_only } } |
| int (*fn1) () = foo; |
| int (S::*fn2) () = &S::foo; |
| int (S::*fn3) () = &S::bar; |
| S s; |
| return fn1 () + (s.*fn2) () + (s.*fn3) (); |
| } |
| return 0; |
| } |
| |
| static_assert (bar () == 45); |